I found if you fire the AD600B via the PC sync port or USB radio receiver port the strobe will test fire with HSS pulsing (if set to HSS mode). So one workaround with the AD600B is to use a clip-on ...

Ok its a Bowen's S-type modifier bracket, so it will mount most S-type softboxes etc. You can buy an inexpensive Godox S-type bracket now, though its for one flash only, and doesn't have a built-in ...

If you go with Godox, I would try and go with the MK II models which have the 2.4GHz radio system built in - http://www.photo-shop-studio.com.au/studio-lights/flash-heads/godox-400w-studio-flash-qt ...

Yes, I would say try setting your light meter to 1/10th stop readings so we have a more accurate indication. I'm only getting 0.1 - 0.2 stops reduction with the AD-H600 remote head. The AD-H1200 is ...